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窄入水通常搭配“S”型划水路径，更适合于长距离蝶泳
窄入水为外划留出了划水空间，因此窄入水通常搭配“S”型划水路径！因为划水路径的加长，划水频率会受到一些影响，所以窄入水“S”划水路径适合于长蝶泳！
爱上游泳喽103/786
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